Scientists say that Americans are becoming wimps time (because they can not withstand the global warming)

We have become inept time. As the world warms, the United States is increasingly bitter as the cold wave that gripped much of the nation this week. So when you hit a freezer, scientists say, it seems more unprecedented than it really is. AP analysis of the national winter temperature every day shows that the extreme cold have gone around once every four years since 1900. Until recently.